[ci skip] Merge PR 19837
[ci skip] Merge PR 19837

Merge PR #19837, commits were: 
 * Fix transit pinning

Due to https://github.com/mad-lab/transit/blob/master/setup.py#L151 this
seems necessary.
Currently fails with
```
Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py", line 584, in _build_master
    ws.require(__requires__)
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py", line 901, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/local/lib/python3.7/site-packages/pkg_resources/__init__.py", line 792, in resolve
    raise VersionConflict(dist, req).with_context(dependent_req)
pkg_resources.ContextualVersionConflict: (Pillow 7.0.0 (/usr/local/lib/python3.7/site-packages), Requirement.parse('pillow~=6.0'), {'tnseq-transit'})
```

acaprez/recipes,blankenberg/bioconda-recipes,mdehollander/bioconda-recipes,saketkc/bioconda-recipes,ostrokach/bioconda-recipes,chapmanb/bioconda-recipes,jfallmann/bioconda-recipes,cokelaer/bioconda-recipes,zachcp/bioconda-recipes,saketkc/bioconda-recipes,zachcp/bioconda-recipes,mdehollander/bioconda-recipes,shenwei356/bioconda-recipes,zachcp/bioconda-recipes,blankenberg/bioconda-recipes,blankenberg/bioconda-recipes,chapmanb/bioconda-recipes,bebatut/bioconda-recipes,roryk/recipes,bebatut/bioconda-recipes,peterjc/bioconda-recipes,npavlovikj/bioconda-recipes,saketkc/bioconda-recipes,npavlovikj/bioconda-recipes,jfallmann/bioconda-recipes,Luobiny/bioconda-recipes,mdehollander/bioconda-recipes,bioconda/bioconda-recipes,rob-p/bioconda-recipes,phac-nml/bioconda-recipes,roryk/recipes,gregvonkuster/bioconda-recipes,gregvonkuster/bioconda-recipes,mdehollander/bioconda-recipes,mdehollander/bioconda-recipes,mdehollander/bioconda-recipes,peterjc/bioconda-recipes,bebatut/bioconda-recipes,chapmanb/bioconda-recipes,jfallmann/bioconda-recipes,gregvonkuster/bioconda-recipes,shenwei356/bioconda-recipes,peterjc/bioconda-recipes,phac-nml/bioconda-recipes,bioconda/bioconda-recipes,ostrokach/bioconda-recipes,bioconda/bioconda-recipes,blankenberg/bioconda-recipes,saketkc/bioconda-recipes,cokelaer/bioconda-recipes,ostrokach/bioconda-recipes,Luobiny/bioconda-recipes,chapmanb/bioconda-recipes,Luobiny/bioconda-recipes,npavlovikj/bioconda-recipes,acaprez/recipes,phac-nml/bioconda-recipes,jfallmann/bioconda-recipes,saketkc/bioconda-recipes,phac-nml/bioconda-recipes,npavlovikj/bioconda-recipes,shenwei356/bioconda-recipes,gregvonkuster/bioconda-recipes,rob-p/bioconda-recipes,bioconda/bioconda-recipes,ostrokach/bioconda-recipes,phac-nml/bioconda-recipes,rob-p/bioconda-recipes,Luobiny/bioconda-recipes,bebatut/bioconda-recipes,cokelaer/bioconda-recipes,peterjc/bioconda-recipes,acaprez/recipes,zachcp/bioconda-recipes,roryk/recipes,saketkc/bioconda-recipes,acaprez/recipes,cokelaer/bioconda-recipes,ostrokach/bioconda-recipes,peterjc/bioconda-recipes,chapmanb/bioconda-recipes,ostrokach/bioconda-recipes,rob-p/bioconda-recipes,peterjc/bioconda-recipes,shenwei356/bioconda-recipes